Codex Results by Model
| # | Model | Run | Agent | Mode | Score | Eval | Tests | Est. cost | Calls | Wall | Evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GPT 5.5 (xhigh) | 20260517T094700Z |
Codex /goal | Mini-SWE-compatible no internet | 82.1% | ok | 1526/1858 | $6.12 | 90 | 0.27h | manifest · eval json · eval summary · usage audit |
| 2 | GPT 5.5 (xhigh) | 20260518T232006Z |
Codex /goal | Paper prompt + /goal no internet | 80.4% | ok | 1494/1858 | $4.31 | 50 | 0.22h | manifest · eval json · eval summary · agent summary · usage audit |
| 3 | GPT 5.5 (xhigh) | 20260519T215046Z |
Codex /goal | Paper prompt + Goal contract no internet | 79.2% | ok | 1472/1858 | $3.67 | 49 | 0.21h | not exported |
Why Scores Differ
Official ProgramBench rows are the public mini-SWE-agent submissions. GoalBench rows are separate Codex /goal submissions. Same model label does not mean the same agent, prompt, tool loop, or generated implementation. A GoalBench row is resolved only when the ProgramBench-scored pass rate is exactly 100%.
GPT 5.5 (xhigh) · 20260517T094700Z
82.1% from 1526/1858 ProgramBench-scored tests. Raw public eval statuses: failure: 445, passed: 1711, skipped: 8.
Agent trace summary unavailable.
Likely miss class: behavioral mismatch, interactive terminal behavior mismatch.
e31996014aafeval.tests.test_basic.test_tail_limit (failure)e31996014aafeval.tests.test_errors.test_history_size_zero (failure)e31996014aafeval.tests.test_errors.test_height_over_100_percent (failure)e31996014aafeval.tests.test_interactive_tmux.test_interactive_print_query (failure)e31996014aafeval.tests.test_errors.test_tail_zero (failure)e31996014aafeval.tests.test_interactive_tmux.test_interactive_selection (failure)
GPT 5.5 (xhigh) · 20260518T232006Z
80.4% from 1494/1858 ProgramBench-scored tests. Raw public eval statuses: failure: 482, passed: 1674, skipped: 8.
Agent trace: 134 shell command(s), 93 executable-observation command(s), 9 build command(s), 3 blocked attempt(s). Raw Codex logs are not published.
Likely miss class: behavioral mismatch, interactive terminal behavior mismatch.
e31996014aafeval.tests.test_errors.test_height_over_100_percent (failure)e31996014aafeval.tests.test_errors.test_tail_zero (failure)6e634b67e0e9eval.tests.test_basic_invocation.test_bash_integration_is_executable_bash (failure)6e634b67e0e9eval.tests.test_advanced_options.test_tail_zero (failure)6e634b67e0e9eval.tests.test_basic_invocation.test_bash_integration_script (failure)6e634b67e0e9eval.tests.test_error_handling.test_invalid_walker_option (failure)
manifest · eval json · eval summary · agent summary · usage audit
GPT 5.5 (xhigh) · 20260519T215046Z
Public eval evidence has not been exported for this row yet.
Official ProgramBench Results by Model
| # | Model | Provider | Score | Cost | Calls |
|---|---|---|---|---|---|
| 1 | GPT 5.5 (xhigh) | OpenAI | 82.4% | $8.19 | 91 |
| 2 | Claude Opus 4.6 | Anthropic | 81.9% | $11.78 | 253 |
| 3 | Claude Sonnet 4.6 | Anthropic | 81.1% | $29.33 | 607 |
| 4 | GPT 5.5 (high) | OpenAI | 79.2% | $3.76 | 52 |
| 5 | GPT 5.5 | OpenAI | 77.6% | $0.97 | 17 |
| 6 | Claude Opus 4.7 (xhigh) | Anthropic | 77.2% | $1.80 | 53 |
| 7 | Claude Opus 4.7 | Anthropic | 74.9% | $0.56 | 20 |
| 8 | GPT 5.4 | OpenAI | 71.9% | $0.34 | 12 |
| 9 | Gemini 3.1 Pro | 62.8% | $0.77 | 55 | |
| 10 | GPT 5.4 mini | OpenAI | 46.6% | $0.04 | 7 |
| 11 | Claude Haiku 4.5 | Anthropic | 22.3% | $0.72 | 105 |
| 12 | Gemini 3 Flash | 13.9% | $0.16 | 45 | |
| 13 | GPT 5 mini | OpenAI | 3.7% | $0.03 | 12 |